Sliding extensible screen.



BEST No. 817,471. AVAHABLE CODATBNTBD APR. 10, 1906. A. A. DAY. SLIDINGBXTBNSIBLE SCREEN. APPLICATION FILED JAN. 13. 1906.

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[NVE/WOR No. 817,471. BESTAVNLABLE CQJ" A. A. DAY. SLIDING EXTBNSIBLBSCREEN.

APPLICATION FILED JAN.13,1906.

BEST AVAlLABLE COP` ALBERT A. DAY, CF NEW YORK, N. Y.

staoine Exrensiate SCREEN.

Specification of Letters Patent. iiplicatiou filed January 13,1906.ierial No, 295.890-

Patented April 10, 1906.

'.l'o all whom it may concern:

Be it known that I, ALBERT A. DAY, a citizen of the United States,residing at the borough of Brooklyn, in the city of New York, county ofKings, an d State of New York,have invented certain new and usefulImprovements inSliding Extensible Screens; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention.,such as will enable others skilled in tie art to which it appertains tomalte and use the saine,

My invention consists in the novel features hereinafter described,refereiice being had to the accompanyiner lrawings, which illustrate oneform in whic i I have contemplated einb'odying my invention and severalslight modifications thereof, and said invention is fully disclosed inthe following description and claims.

Referring to the said drawings, Figure 1 i `represents aperspcctivetview of a, screen e1nliodying iny invention. Fig. 2 is adetail view of a portion of one of the vertical frana hars, showing themanner ol' inserting rhe 'wire gauze or netting. Fig. 3 is a similarView showing the bar after heading to secure. the wirenietting therein.Fig. 4 a sectional view on line l 4 of Fig. 3. Figs. 5, (i, and 7 aredetail views showing the manner of attaching the horizontal frame-barstothe i ertical bars and forniing the corners of the screen-seethins.Fig. 8 is a transverse. vertical central section through a screen formedas illustrated in Figs. l to 7, inclusive, the central part ol' thewire-netting being broken away. Figs. Si, 10,and 11 are similar viewsillustrating modified forms ol' the horizontal frame-bars,cross-sections of which are therein shown. Fig. 12 is a sectional viewol' a slightly-modified form of screen, showing only the upperfhoizontalbars and illustrat.

ing their relation to a Window-sash bottom rail. Fig. 13 is a Viewsimilar to .F ig. 12, showing still another modified forni of horizontalscreen-bar.

In the manufacture of metallic screens several difficulties have beenencountered in placing them on the market, among. which may beenumerated that of providing'a construction of sufficient lightness,strength, and durability and at minimum cost, that ol' properly yeteconomically forming the corner j ints of the screen-frames, and that ofsecurely and permanently attaching the wire fabric to thesustaining-frame.

The object ol my invention is to overcome all ofv these difficulties andto produce a screen of great chea mess, durability, and simplicity.

In Fig. 1 have shown my invention applied to the construction of asliding extensible screen, in which A and A represent two similarscreen-sections, which are formed in the same manner, so that adescription of one will suffice for both. In forming the screen I firsttake a piece of Wire fabric B, cut to the required size and of rectanrular shape, and to two op osite edges l attac 1 the vertical bars C oft 1e frame. Each of these hars C is formed of sheet metal, (preferablyiron or steel and galvanized, if desired,v) bent upon 1tsclf, as shownin Fig. 2, the harC being of substantially the. saine length as the wirefabric The fabric is inserted .into the space between i the foldedportions of the har and the. bar is then beaded, e'riinped, orcorrugated longitufV dinally in any desired manner to .permanentlyunite. the. bar and wire fabric. I prefer to forni two longitudinalbends or beads c c in the bar, as shown in Figs. 2 and 4, and I prel'erthat the heads should terminale a short distance from each end of thebar C, as shown in Fig. il, leaving a plain end portion c" at cach end.

tached to opposite edges ofthe wire fabric B, asy

The bars C C,'havn1g been atiust described, l attach the horizontal barsD l) in the following manner. Each bari) is also formed of sheet metal,like the bars C, folded upon itself, (see Fig, 5,) and is placed overone l ol' the horizontal edges of the wire fabric, so as to inclose theplain ends c of the Vertical hars. (See Fig. 6.)

l The barsl) are then each folded' or bent longitudinally into any oneof the' forms shown in Figs. 8 to 13, in y elusive, to securely unite tosaid bars Dthc ends of the vertical bars C C and also ,the horizontal`marginal portions of the wirefab-y ric, as will be clearly seen in thedrawings. In bending or folding the horizontal top and bottoni bars l.)longitudinally the ends of the vertical bars C will be transversely bentand folded within the saine, thus securely locking the bars C and l.)together to formthe corners' and rendering the use of solder,l rivets,or other fastening means unnecessary. If 1t 1s desired, however, thebars C and I) may be further secured by any additional means, such asthose enumerattal or others', but I do not J consider that this will benecessary, andthe absence of any additional securlng meanswlll furthereheapen the cost of manufacture.

The top and bottom or horizontal `bars 'are` zo zontally, as i at madelonger than. the width of the fabric B,

as shown at d, and as is usual to give greater guiding and supportingaction. in extending the screen. The two sereen-sect`ions crecen--structed alile, exec t that one' is inst suffb ciently" shortervertically than the other. to

permit the bars D D ofthe screen-'seetionsto slidingl engage 'eachother, as shown, the

. bars D of one section ordinarily .lying-With 1oy in the bars D D ofthe other screen-section.

In the form shown in Figs. l to 8, inclusive,

the bars .Dare lon 'tudinally folded down'- Wardly, as 'at d', andl thenupwardly, as at d2,

this greatly increasin their strength, while ,15 securing, theinterlocliing and other results In Fig. 9,`in which the upperand lowerbars areindicated by D', the are shown as folded laterally at a sli htan e, as at da, then hori 5*, amig downwardl and inwardly, as-at dithusformin a' ovetailed tion.

In Fly lo the horizontal bars indicated by D2 are llient sharply'overvinthe form of an inward curve, (shown at`d'*,) the'convex inner' facesof the bars of one section engaging the concave outer faces of the barsof the other section'. j

'go In Fig. 11 the horizontal bars D3 'are shown as lbent in thearc of acircle slightly less in eru tent than a full: circle, as shown at dT,thus forming quasi-tubular bars, whichl afford a firm guiding engagementbetween the two e site. y y

' In Fie', 12 the horizontal bars indicatedat D* are, lient :sharply.into a 'horizontally-inclined position, as atd, and then upwardly,

as at d", thusrin`` addition to guiding and hold- 4e ing'the 'twoscreen-sections together, forming a "seat for the lowered e of thewindow-sash,

as indicated in dotted ines.

Fig: 13' shows the horizontal bars indicated by D bent upwardly, as atdu and then downfwardly,'.as at d, this form being'the converse of thatshown in Figs. 1 to. 8- and the inclined vouter' faces formin seatsfforthe bottom edge pfthe Winde-kaas l, as -indicated in dotted mes.

. 56 lIt is envious that the horiaontal balSlCflll be folded in variousother ways to secure the results herein enumerated and Without departingfrom my invention.

' While I have showniny invention embed4 ied in a sliding extensiblescreen, I claim,

, broadly, the construction by which-a screensection isformed as hereinshown and described Whether `it isused in this particular .s typeofscreen orothers to which` i t may be '66 ada .ted.- K ..lvfhat I claim,and rdesire to secure by Letters Patent, is-

,jl-fAwindow screen having a metallic y frame comprisingva pair of barseachformed of1 sheet -metal folded longitudinally upon the cornersoftheframe, substantially as defV groove whichreceives the ot erscreen-sec- .sub'stantially as described.

eras-ri yBESTVNLABLE COPl itself, and a second pair of bars, veach composed of sheet metal'folded longitudinally upon itself, and having itsfolded end or tions inclosing' the folded end portions o the other bars,said second pair of bars being bent longitudinally where they inclosethe other bars, 'thereby bending'tliie inclosed folded portions thereoftransversely and forming scribed;

2. A window-screen having a metallic frame comprisinga )air of bars eachformed of sheet metal folded longitudinallyu Aon itself, and a secondpair of bars each formed of sheet meta-l folded longitudinally u onitself, the folded ends ofsaid first pair o bars extending within thefolded ends of the second pair offbars, and engaging the fold thereof,said second pair of bars being bent lon itudinally throu hout theirlength, there y bending the fol ed end portions of the other barstransversely and forming the corners of the frame, substantially asdescribed.

3. A window screen having a metallic frame comprising a pair of."barsformed of sheet metal, and asecond pair of bars each formed ofsheet metal folded longitudinally upon' itself, and inclosing the endsof -said first pair of bars, the folded portions of said second 'pair ofbars which inclose the ends of said first pair of bars4 bein01 given aplurality of longitudinal bends, tliereby giving the inclosed portionsofthe other bars a plurality of transverse bends and locking said barstogether,

4. A window-screen comprising amonfr its members, a section of screenfabric, a pair of bars engaging opposite ed es of said fabric,

each consisting of a strip o metal folded longitudinally on itself andinclosing marginal portions of the fabric, and a second pair of ars,similarly formed, and inclosnv marginal portions of the fabric and thefo ded end portions of said first-named bars, and dis posedperpendicularly thereto, said second pair of bars beine-each bentlongitudinally throughout their length, substantially as described.

5. A window-screen comprising among its members, a section of screenfabric, a air of 41115 bars engaging opposite edges thereo 'eachconsisting of'a strip of metal folded longitudina'lly and inclos'ingmarginal portions ofthe fabric, said bars heilig longitudinally bent, tosecure the fabric therein, and a second pair 12o of bars, similarlyformed, inclosing nnu'ginal `portions of tbe fabric andthe folded endportions of said first-named bars, and disposed )erpendirularly thereto,said second pair ol.' bars beingI cach bent longitudinally through,- outtheir length tosccure them to the fabric and to said first-named bars,substantially as described. i

6. A sliding extensible metallic screen, comprising two screen sectionsJeach com.`

IIO

posed of a section of screen fabric, vertical bars of sheet metalsecuredthereto, and horizontal bars each consisting of a strip of sheet metalfolded longitudinally and inclosing the ends of said vertical bars, saidhorizontal bars being given a plurality of bends longitu dinallythroughout their length to form retaining and guiding portions, and tosecure the vertical bars thereto, the retaining and guiding portions ofone screen-section having a sliding engagement with 'the retaining andguiding portions of the other screen-section, substantially asdescribed.

7. A sliding extensible metallic screen coniprising tvvolscreen-sections each composed of a section of screen fabric, verticalbars engagingA opposite edges of said `fabric each consisting of a stripof metal folded longitudinally and inclosing marginal portionsof saidfabric, said bars being bent longitudinally to unite theinto saidfabric, and a pair 'of horizontal bars of similar form inclosingmarginal portions of the fabric and the folded ends of said verticalbars, said horizontal bars being given a plurality of bendslongitudinally throughout their length to form retaining and guidingportions, the re taining and guiding portions of one screenl BESTAVAILABLE CCJF".y

nally to unite them to said fabric, and a pair of horizontal barsofSimilar form inclosing.

ymarginal,portions of the fabric and the'folded ends of said verticalbars, said horizontal bars being bent longitudinally throughout i theirlength into substantially tubular form, -the tubular portions of onescreen-section having a sliding engagement with `those of the otherscreen-section, substantially as described. l

,ln testinumy whereof I ailiX my signature in the presence of twowitnesses;

' ALBERT A. DAY.' Witnesses:

Gris'rAv Erskine', HENRY S'rUmN.

